Riebeckite and Allanite Physical Properties

Riebeckite

Allanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.443.40-4.20

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Not Available

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

Not Available

1.7 Mohs Hardness

5.0-6.0Not Available

2 10

1.8 Chemical Composition

Not Available

Riebeckite and Allanite Chemical Formula

While comparing Riebeckite and Allanite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Riebeckite and Allanite chemical formula.

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Riebeckite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.